Directed by
| Robert Cannon | ||
| John Hubley | ... | (supervising director) |
Writing Credits
| Dr. Seuss | ... | (story) |
| Bill Scott | ... | (story adaptation) & |
| Phil Eastman | ... | (story adaptation) |
Cast (in credits order) verified as complete
| Marvin Miller | ... | Narrator (voice) | |
Produced by
| Stephen Bosustow | ... | executive producer |
Music by
| Gail Kubik | ||
Production Management
| Adrian Woolery | ... | production manager |
Art Department
| William T. Hurtz | ... | designer (as Bill Hurtz) |
Animation Department
| Jules Engel | ... | color artist |
| Herbert Klynn | ... | color artist (as Herb Klynn) |
| Rudy Larriva | ... | animator |
| Pat Matthews | ... | animator |
| Bill Melendez | ... | animator |
| Willis Pyle | ... | animator |
| Frank Smith | ... | animator |
| William T. Hurtz | ... | background designer (uncredited) / character designer (uncredited) |
| Herbert Klynn | ... | background color (uncredited) |
| Rudy Larriva | ... | character animator (uncredited) |
| Pat Matthews | ... | character animator (uncredited) |
| Bill Melendez | ... | character animator (uncredited) |
| Willis Pyle | ... | character animator (uncredited) |
| Frank Smith | ... | character animator (uncredited) |
| John Wilson | ... | additional character animator (uncredited) / animator (uncredited) |
Additional Crew
| John Hubley | ... | supervising director |
